Aptamers are single-stranded nucleic acids that bind and recognize targets much like
antibodies. Recently, aptamers have garnered increased interest due to their unique …

Metal ions are essential to many chemical, biological, and environmental processes. In the
past two decades, many DNA-based metal sensors have emerged. While the main …

Over the last three decades, numerous aptamer-based biosensors have been reported. The
basis of these sensors is the selective binding of target analytes by aptamers. In the last few …

Heavy metal contamination in environment and food has attracted intensive attention from
the public since it poses serious threats to ecological system and human health. Traditional …

Development of biosensing platforms plays a key role in research settings for identification
of biomarkers and in clinical applications for diagnostics. Biosensors based on nucleic acids …

The robust, sensitive, and selective detection of targeted biomolecules in their native
environment by prospective nanostructures holds much promise for real-time, accurate, and …

In addition to carrying and transmitting genetic material, some DNA molecules have specific
binding ability or catalytic function. DNA with this special function is collectively referred to as …

Aptamers are single-stranded nucleic acids that selectively bind to target molecules. Most
aptamers are obtained through a combinatorial biology technique called SELEX. Since …

Sensors are devices that respond to physical or chemical stimuli and produce detectable
signals. 1r4 They are a critical extension of human perception of the world in many aspects …

Nucleic-acid aptamers have attracted intense interest and found wide applications in a
range of areas. In this review, we summarize recent advances in the development of …